Files @ r28572:dd3e6f760743
Branch filter:

Location: cpp/openttd-patchpack/source/src/script/squirrel.cpp - annotation

Rubidium
Update: nlohmann/json to 3.11.3
  1
  2
  3
  4
  5
  6
  7
  8
  9
 10
 11
 12
 13
 14
 15
 16
 17
 18
 19
 20
 21
 22
 23
 24
 25
 26
 27
 28
 29
 30
 31
 32
 33
 34
 35
 36
 37
 38
 39
 40
 41
 42
 43
 44
 45
 46
 47
 48
 49
 50
 51
 52
 53
 54
 55
 56
 57
 58
 59
 60
 61
 62
 63
 64
 65
 66
 67
 68
 69
 70
 71
 72
 73
 74
 75
 76
 77
 78
 79
 80
 81
 82
 83
 84
 85
 86
 87
 88
 89
 90
 91
 92
 93
 94
 95
 96
 97
 98
 99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
335
336
337
338
339
340
341
342
343
344
345
346
347
348
349
350
351
352
353
354
355
356
357
358
359
360
361
362
363
364
365
366
367
368
369
370
371
372
373
374
375
376
377
378
379
380
381
382
383
384
385
386
387
388
389
390
391
392
393
394
395
396
397
398
399
400
401
402
403
404
405
406
407
408
409
410
411
412
413
414
415
416
417
418
419
420
421
422
423
424
425
426
427
428
429
430
431
432
433
434
435
436
437
438
439
440
441
442
443
444
445
446
447
448
449
450
451
452
453
454
455
456
457
458
459
460
461
462
463
464
465
466
467
468
469
470
471
472
473
474
475
476
477
478
479
480
481
482
483
484
485
486
487
488
489
490
491
492
493
494
495
496
497
498
499
500
501
502
503
504
505
506
507
508
509
510
511
512
513
514
515
516
517
518
519
520
521
522
523
524
525
526
527
528
529
530
531
532
533
534
535
536
537
538
539
540
541
542
543
544
545
546
547
548
549
550
551
552
553
554
555
556
557
558
559
560
561
562
563
564
565
566
567
568
569
570
571
572
573
574
575
576
577
578
579
580
581
582
583
584
585
586
587
588
589
590
591
592
593
594
595
596
597
598
599
600
601
602
603
604
605
606
607
608
609
610
611
612
613
614
615
616
617
618
619
620
621
622
623
624
625
626
627
628
629
630
631
632
633
634
635
636
637
638
639
640
641
642
643
644
645
646
647
648
649
650
651
652
653
654
655
656
657
658
659
660
661
662
663
664
665
666
667
668
669
670
671
672
673
674
675
676
677
678
679
680
681
682
683
684
685
686
687
688
689
690
691
692
693
694
695
696
697
698
699
700
701
702
703
704
705
706
707
708
709
710
711
712
713
714
715
716
717
718
719
720
721
722
723
724
725
726
727
728
729
730
731
732
733
734
735
736
737
738
739
740
741
742
743
744
745
746
747
748
749
750
751
752
753
754
755
756
757
758
759
760
761
762
763
764
765
766
767
768
769
770
771
772
773
774
775
776
777
778
779
780
781
782
783
784
785
786
787
788
789
790
791
792
793
794
795
796
797
798
799
800
801
802
803
804
805
806
807
808
809
810
811
812
813
814
815
816
817
818
r12768:980ae0491352
r12768:980ae0491352
r12768:980ae0491352
r12768:980ae0491352
r12768:980ae0491352
r12768:980ae0491352
r12768:980ae0491352
r10696:8dfe83e30d01
r10696:8dfe83e30d01
r10696:8dfe83e30d01
r10696:8dfe83e30d01
r10696:8dfe83e30d01
r10696:8dfe83e30d01
r20531:6a7aeb0059d3
r23730:3b11f535de42
r23730:3b11f535de42
r10696:8dfe83e30d01
r10696:8dfe83e30d01
r10696:8dfe83e30d01
r23730:3b11f535de42
r10696:8dfe83e30d01
r25193:619b51a196b6
r25193:619b51a196b6
r25193:619b51a196b6
r25193:619b51a196b6
r25193:619b51a196b6
r25193:619b51a196b6
r25193:619b51a196b6
r21383:942c32fb8b0e
r23730:3b11f535de42
r23730:3b11f535de42
r23730:3b11f535de42
r23730:3b11f535de42
r28074:fffdbfe84aad
r23730:3b11f535de42
r23730:3b11f535de42
r23730:3b11f535de42
r23730:3b11f535de42
r25193:619b51a196b6
r25193:619b51a196b6
r25193:619b51a196b6
r25193:619b51a196b6
r25193:619b51a196b6
r25193:619b51a196b6
r25193:619b51a196b6
r23730:3b11f535de42
r23730:3b11f535de42
r23730:3b11f535de42
r23730:3b11f535de42
r23730:3b11f535de42
r23730:3b11f535de42
r23730:3b11f535de42
r23730:3b11f535de42
r23730:3b11f535de42
r23730:3b11f535de42
r23730:3b11f535de42
r23730:3b11f535de42
r25193:619b51a196b6
r25193:619b51a196b6
r25193:619b51a196b6
r25193:619b51a196b6
r25193:619b51a196b6
r25193:619b51a196b6
r25193:619b51a196b6
r25193:619b51a196b6
r25193:619b51a196b6
r26000:d1a4948d1237
r25193:619b51a196b6
r26003:583d7a6094a8
r25193:619b51a196b6
r25193:619b51a196b6
r25193:619b51a196b6
r25193:619b51a196b6
r27146:eda68ad401da
r26003:583d7a6094a8
r26000:d1a4948d1237
r26000:d1a4948d1237
r27146:eda68ad401da
r25193:619b51a196b6
r25193:619b51a196b6
r25193:619b51a196b6
r25193:619b51a196b6
r25193:619b51a196b6
r25193:619b51a196b6
r25193:619b51a196b6
r25193:619b51a196b6
r25193:619b51a196b6
r25193:619b51a196b6
r25193:619b51a196b6
r25193:619b51a196b6
r25193:619b51a196b6
r27146:eda68ad401da
r27146:eda68ad401da
r25193:619b51a196b6
r25193:619b51a196b6
r25193:619b51a196b6
r23730:3b11f535de42
r23730:3b11f535de42
r25193:619b51a196b6
r23730:3b11f535de42
r25193:619b51a196b6
r25193:619b51a196b6
r26003:583d7a6094a8
r26003:583d7a6094a8
r23730:3b11f535de42
r23730:3b11f535de42
r23730:3b11f535de42
r23730:3b11f535de42
r23730:3b11f535de42
r23730:3b11f535de42
r23730:3b11f535de42
r23730:3b11f535de42
r23730:3b11f535de42
r23730:3b11f535de42
r23730:3b11f535de42
r23730:3b11f535de42
r23730:3b11f535de42
r23730:3b11f535de42
r23730:3b11f535de42
r23730:3b11f535de42
r23730:3b11f535de42
r23730:3b11f535de42
r23730:3b11f535de42
r23730:3b11f535de42
r23730:3b11f535de42
r23730:3b11f535de42
r23730:3b11f535de42
r26003:583d7a6094a8
r26003:583d7a6094a8
r26003:583d7a6094a8
r26003:583d7a6094a8
r26003:583d7a6094a8
r23730:3b11f535de42
r26003:583d7a6094a8
r26003:583d7a6094a8
r26003:583d7a6094a8
r26003:583d7a6094a8
r26003:583d7a6094a8
r23730:3b11f535de42
r23730:3b11f535de42
r23730:3b11f535de42
r23730:3b11f535de42
r23730:3b11f535de42
r23730:3b11f535de42
r23730:3b11f535de42
r23730:3b11f535de42
r23730:3b11f535de42
r23730:3b11f535de42
r23730:3b11f535de42
r23730:3b11f535de42
r23730:3b11f535de42
r23730:3b11f535de42
r23730:3b11f535de42
r23730:3b11f535de42
r23730:3b11f535de42
r23740:2856c3b40f0c
r23730:3b11f535de42
r23730:3b11f535de42
r23730:3b11f535de42
r23730:3b11f535de42
r23730:3b11f535de42
r23730:3b11f535de42
r23730:3b11f535de42
r23730:3b11f535de42
r23730:3b11f535de42
r23730:3b11f535de42
r23730:3b11f535de42
r23730:3b11f535de42
r25193:619b51a196b6
r23730:3b11f535de42
r23730:3b11f535de42
r23730:3b11f535de42
r23730:3b11f535de42
r23730:3b11f535de42
r28025:9116d6e411b0
r23730:3b11f535de42
r23730:3b11f535de42
r23730:3b11f535de42
r23730:3b11f535de42
r25193:619b51a196b6
r25193:619b51a196b6
r25193:619b51a196b6
r25193:619b51a196b6
r25193:619b51a196b6
r25193:619b51a196b6
r25193:619b51a196b6
r25193:619b51a196b6
r23730:3b11f535de42
r23730:3b11f535de42
r23730:3b11f535de42
r23730:3b11f535de42
r23730:3b11f535de42
r23730:3b11f535de42
r23730:3b11f535de42
r23730:3b11f535de42
r23730:3b11f535de42
r23730:3b11f535de42
r23730:3b11f535de42
r23730:3b11f535de42
r23730:3b11f535de42
r23730:3b11f535de42
r23730:3b11f535de42
r23730:3b11f535de42
r10696:8dfe83e30d01
r10696:8dfe83e30d01
r27143:ecee9375b5d4
r10696:8dfe83e30d01
r10696:8dfe83e30d01
r11121:b7c57fb5f2a7
r11121:b7c57fb5f2a7
r11121:b7c57fb5f2a7
r23607:36c15679007d
r27143:ecee9375b5d4
r10696:8dfe83e30d01
r27143:ecee9375b5d4
r10696:8dfe83e30d01
r10696:8dfe83e30d01
r10696:8dfe83e30d01
r27143:ecee9375b5d4
r10696:8dfe83e30d01
r10696:8dfe83e30d01
r10696:8dfe83e30d01
r23607:36c15679007d
r27405:f68bba683a4b
r10696:8dfe83e30d01
r27143:ecee9375b5d4
r10696:8dfe83e30d01
r10696:8dfe83e30d01
r10696:8dfe83e30d01
r10696:8dfe83e30d01
r10696:8dfe83e30d01
r10696:8dfe83e30d01
r10696:8dfe83e30d01
r10696:8dfe83e30d01
r10696:8dfe83e30d01
r10696:8dfe83e30d01
r27143:ecee9375b5d4
r11121:b7c57fb5f2a7
r11121:b7c57fb5f2a7
r23607:36c15679007d
r27405:f68bba683a4b
r10696:8dfe83e30d01
r27143:ecee9375b5d4
r10696:8dfe83e30d01
r10696:8dfe83e30d01
r10696:8dfe83e30d01
r10696:8dfe83e30d01
r10696:8dfe83e30d01
r10696:8dfe83e30d01
r10696:8dfe83e30d01
r10696:8dfe83e30d01
r10696:8dfe83e30d01
r10696:8dfe83e30d01
r25705:db1afb7a7392
r10696:8dfe83e30d01
r10696:8dfe83e30d01
r10696:8dfe83e30d01
r10696:8dfe83e30d01
r10696:8dfe83e30d01
r10696:8dfe83e30d01
r10696:8dfe83e30d01
r10696:8dfe83e30d01
r21642:d4ee019baf14
r10696:8dfe83e30d01
r10696:8dfe83e30d01
r10696:8dfe83e30d01
r27143:ecee9375b5d4
r10696:8dfe83e30d01
r10696:8dfe83e30d01
r10696:8dfe83e30d01
r23607:36c15679007d
r27528:b0b40a2460da
r10696:8dfe83e30d01
r27143:ecee9375b5d4
r10696:8dfe83e30d01
r10696:8dfe83e30d01
r10696:8dfe83e30d01
r10696:8dfe83e30d01
r10696:8dfe83e30d01
r23730:3b11f535de42
r23730:3b11f535de42
r21639:04805e592ebb
r10696:8dfe83e30d01
r10696:8dfe83e30d01
r10696:8dfe83e30d01
r10696:8dfe83e30d01
r10696:8dfe83e30d01
r10696:8dfe83e30d01
r10696:8dfe83e30d01
r21639:04805e592ebb
r21639:04805e592ebb
r10696:8dfe83e30d01
r10696:8dfe83e30d01
r10696:8dfe83e30d01
r10696:8dfe83e30d01
r10696:8dfe83e30d01
r23730:3b11f535de42
r23730:3b11f535de42
r21639:04805e592ebb
r10696:8dfe83e30d01
r10696:8dfe83e30d01
r10696:8dfe83e30d01
r10696:8dfe83e30d01
r12557:c2a1f0721f17
r12557:c2a1f0721f17
r23730:3b11f535de42
r23730:3b11f535de42
r21639:04805e592ebb
r12557:c2a1f0721f17
r12557:c2a1f0721f17
r12557:c2a1f0721f17
r12557:c2a1f0721f17
r10696:8dfe83e30d01
r10696:8dfe83e30d01
r23730:3b11f535de42
r23730:3b11f535de42
r10696:8dfe83e30d01
r21639:04805e592ebb
r10696:8dfe83e30d01
r10696:8dfe83e30d01
r10696:8dfe83e30d01
r10696:8dfe83e30d01
r10696:8dfe83e30d01
r23730:3b11f535de42
r23730:3b11f535de42
r10696:8dfe83e30d01
r21639:04805e592ebb
r21639:04805e592ebb
r10696:8dfe83e30d01
r25655:1030dcb7eb52
r25655:1030dcb7eb52
r10696:8dfe83e30d01
r10696:8dfe83e30d01
r10696:8dfe83e30d01
r10696:8dfe83e30d01
r10696:8dfe83e30d01
r10696:8dfe83e30d01
r10696:8dfe83e30d01
r23730:3b11f535de42
r23730:3b11f535de42
r10696:8dfe83e30d01
r10696:8dfe83e30d01
r10696:8dfe83e30d01
r10696:8dfe83e30d01
r10696:8dfe83e30d01
r10696:8dfe83e30d01
r11121:b7c57fb5f2a7
r23730:3b11f535de42
r23730:3b11f535de42
r10696:8dfe83e30d01
r10696:8dfe83e30d01
r10696:8dfe83e30d01
r10696:8dfe83e30d01
r21639:04805e592ebb
r10696:8dfe83e30d01
r10696:8dfe83e30d01
r10696:8dfe83e30d01
r10696:8dfe83e30d01
r10696:8dfe83e30d01
r10696:8dfe83e30d01
r10696:8dfe83e30d01
r10696:8dfe83e30d01
r10696:8dfe83e30d01
r10696:8dfe83e30d01
r11121:b7c57fb5f2a7
r23730:3b11f535de42
r23730:3b11f535de42
r17364:eb97848263b6
r17364:eb97848263b6
r17364:eb97848263b6
r17364:eb97848263b6
r17364:eb97848263b6
r17364:eb97848263b6
r17364:eb97848263b6
r17364:eb97848263b6
r17364:eb97848263b6
r17364:eb97848263b6
r17364:eb97848263b6
r11180:035549d042ff
r17364:eb97848263b6
r23730:3b11f535de42
r10696:8dfe83e30d01
r10696:8dfe83e30d01
r10696:8dfe83e30d01
r12747:88887bb65108
r12747:88887bb65108
r12747:88887bb65108
r23730:3b11f535de42
r12747:88887bb65108
r12747:88887bb65108
r12747:88887bb65108
r10990:c51128ad9005
r10990:c51128ad9005
r23730:3b11f535de42
r10990:c51128ad9005
r10990:c51128ad9005
r10990:c51128ad9005
r10696:8dfe83e30d01
r10696:8dfe83e30d01
r11121:b7c57fb5f2a7
r23730:3b11f535de42
r23730:3b11f535de42
r23730:3b11f535de42
r10887:cdbf4a546981
r10887:cdbf4a546981
r10887:cdbf4a546981
r10887:cdbf4a546981
r10696:8dfe83e30d01
r10696:8dfe83e30d01
r10696:8dfe83e30d01
r10696:8dfe83e30d01
r10696:8dfe83e30d01
r21639:04805e592ebb
r10696:8dfe83e30d01
r25655:1030dcb7eb52
r10696:8dfe83e30d01
r10696:8dfe83e30d01
r10696:8dfe83e30d01
r10696:8dfe83e30d01
r10696:8dfe83e30d01
r23607:36c15679007d
r23607:36c15679007d
r18411:4c7e0d135530
r10832:d7f9164253e6
r13509:615f26621a74
r10887:cdbf4a546981
r10887:cdbf4a546981
r10696:8dfe83e30d01
r11121:b7c57fb5f2a7
r11121:b7c57fb5f2a7
r11121:b7c57fb5f2a7
r27351:5b8cef9d2152
r27351:5b8cef9d2152
r27351:5b8cef9d2152
r27351:5b8cef9d2152
r27351:5b8cef9d2152
r27351:5b8cef9d2152
r27351:5b8cef9d2152
r27351:5b8cef9d2152
r27351:5b8cef9d2152
r11121:b7c57fb5f2a7
r11121:b7c57fb5f2a7
r11121:b7c57fb5f2a7
r11121:b7c57fb5f2a7
r11121:b7c57fb5f2a7
r11121:b7c57fb5f2a7
r11121:b7c57fb5f2a7
r10696:8dfe83e30d01
r10696:8dfe83e30d01
r11720:a2a7bf20700e
r11720:a2a7bf20700e
r11720:a2a7bf20700e
r11720:a2a7bf20700e
r11720:a2a7bf20700e
r11720:a2a7bf20700e
r11720:a2a7bf20700e
r11720:a2a7bf20700e
r11720:a2a7bf20700e
r27365:849bb90cdbff
r10696:8dfe83e30d01
r18498:e200d299014d
r18498:e200d299014d
r10696:8dfe83e30d01
r10696:8dfe83e30d01
r10696:8dfe83e30d01
r10696:8dfe83e30d01
r18498:e200d299014d
r18498:e200d299014d
r27365:849bb90cdbff
r27365:849bb90cdbff
r27365:849bb90cdbff
r18498:e200d299014d
r21639:04805e592ebb
r18498:e200d299014d
r18498:e200d299014d
r10696:8dfe83e30d01
r25655:1030dcb7eb52
r10696:8dfe83e30d01
r10696:8dfe83e30d01
r10696:8dfe83e30d01
r10696:8dfe83e30d01
r10696:8dfe83e30d01
r10696:8dfe83e30d01
r25655:1030dcb7eb52
r10696:8dfe83e30d01
r10696:8dfe83e30d01
r10696:8dfe83e30d01
r10696:8dfe83e30d01
r23607:36c15679007d
r10696:8dfe83e30d01
r10696:8dfe83e30d01
r10696:8dfe83e30d01
r10696:8dfe83e30d01
r10696:8dfe83e30d01
r10696:8dfe83e30d01
r10696:8dfe83e30d01
r10696:8dfe83e30d01
r10696:8dfe83e30d01
r10696:8dfe83e30d01
r23607:36c15679007d
r10696:8dfe83e30d01
r23607:36c15679007d
r10696:8dfe83e30d01
r10696:8dfe83e30d01
r10696:8dfe83e30d01
r10696:8dfe83e30d01
r27365:849bb90cdbff
r10696:8dfe83e30d01
r23730:3b11f535de42
r23607:36c15679007d
r10696:8dfe83e30d01
r10696:8dfe83e30d01
r18498:e200d299014d
r23730:3b11f535de42
r10696:8dfe83e30d01
r21503:8c1c128b45b6
r21503:8c1c128b45b6
r21503:8c1c128b45b6
r21503:8c1c128b45b6
r21503:8c1c128b45b6
r23730:3b11f535de42
r23730:3b11f535de42
r23607:36c15679007d
r23607:36c15679007d
r21503:8c1c128b45b6
r21503:8c1c128b45b6
r10696:8dfe83e30d01
r10696:8dfe83e30d01
r10696:8dfe83e30d01
r10696:8dfe83e30d01
r24401:48e3b7b943b1
r10696:8dfe83e30d01
r10696:8dfe83e30d01
r10696:8dfe83e30d01
r10696:8dfe83e30d01
r10696:8dfe83e30d01
r10696:8dfe83e30d01
r19944:25a78576fb5e
r10696:8dfe83e30d01
r10696:8dfe83e30d01
r10696:8dfe83e30d01
r10696:8dfe83e30d01
r27028:e2b9d0aa6a14
r27028:e2b9d0aa6a14
r27028:e2b9d0aa6a14
r27028:e2b9d0aa6a14
r10696:8dfe83e30d01
r10696:8dfe83e30d01
r10696:8dfe83e30d01
r10696:8dfe83e30d01
r10696:8dfe83e30d01
r10696:8dfe83e30d01
r10696:8dfe83e30d01
r10696:8dfe83e30d01
r10696:8dfe83e30d01
r10696:8dfe83e30d01
r10696:8dfe83e30d01
r10696:8dfe83e30d01
r10696:8dfe83e30d01
r10696:8dfe83e30d01
r10696:8dfe83e30d01
r10696:8dfe83e30d01
r10696:8dfe83e30d01
r10696:8dfe83e30d01
r10696:8dfe83e30d01
r10696:8dfe83e30d01
r10696:8dfe83e30d01
r10696:8dfe83e30d01
r10696:8dfe83e30d01
r10696:8dfe83e30d01
r27737:728d55b97775
r10696:8dfe83e30d01
r21658:66d5168a0b04
r10696:8dfe83e30d01
r10696:8dfe83e30d01
r10696:8dfe83e30d01
r10696:8dfe83e30d01
r27737:728d55b97775
r10696:8dfe83e30d01
r21659:b8650d138a10
r21659:b8650d138a10
r21659:b8650d138a10
r21659:b8650d138a10
r21659:b8650d138a10
r21659:b8650d138a10
r10696:8dfe83e30d01
r21659:b8650d138a10
r21659:b8650d138a10
r10696:8dfe83e30d01
r21659:b8650d138a10
r27737:728d55b97775
r21659:b8650d138a10
r21659:b8650d138a10
r10696:8dfe83e30d01
r10696:8dfe83e30d01
r10696:8dfe83e30d01
r27737:728d55b97775
r10696:8dfe83e30d01
r21652:d31b76f44185
r27737:728d55b97775
r10696:8dfe83e30d01
r10696:8dfe83e30d01
r10696:8dfe83e30d01
r27737:728d55b97775
r10696:8dfe83e30d01
r10696:8dfe83e30d01
r10696:8dfe83e30d01
r10696:8dfe83e30d01
r27737:728d55b97775
r10696:8dfe83e30d01
r10696:8dfe83e30d01
r10696:8dfe83e30d01
r10696:8dfe83e30d01
r10696:8dfe83e30d01
r10696:8dfe83e30d01
r10696:8dfe83e30d01
r10696:8dfe83e30d01
r10696:8dfe83e30d01
r10696:8dfe83e30d01
r10696:8dfe83e30d01
r27353:e630ed301eee
r10696:8dfe83e30d01
r23730:3b11f535de42
r23730:3b11f535de42
r23049:c4a8e11a3d1e
r10696:8dfe83e30d01
r18508:f893337ab5c7
r18508:f893337ab5c7
r23607:36c15679007d
r18747:12d6e8d373e7
r18747:12d6e8d373e7
r23607:36c15679007d
r18508:f893337ab5c7
r18508:f893337ab5c7
r18508:f893337ab5c7
r18508:f893337ab5c7
r23607:36c15679007d
r23049:c4a8e11a3d1e
r23049:c4a8e11a3d1e
r23049:c4a8e11a3d1e
r23049:c4a8e11a3d1e
r25590:6544087fd869
r23049:c4a8e11a3d1e
r10696:8dfe83e30d01
r23049:c4a8e11a3d1e
r23049:c4a8e11a3d1e
r23049:c4a8e11a3d1e
r23049:c4a8e11a3d1e
r10696:8dfe83e30d01
r23049:c4a8e11a3d1e
r23049:c4a8e11a3d1e
r23049:c4a8e11a3d1e
r23049:c4a8e11a3d1e
r23049:c4a8e11a3d1e
r23049:c4a8e11a3d1e
r23049:c4a8e11a3d1e
r10696:8dfe83e30d01
r23049:c4a8e11a3d1e
r23049:c4a8e11a3d1e
r10696:8dfe83e30d01
r23049:c4a8e11a3d1e
r23049:c4a8e11a3d1e
r23049:c4a8e11a3d1e
r23049:c4a8e11a3d1e
r23049:c4a8e11a3d1e
r23049:c4a8e11a3d1e
r23049:c4a8e11a3d1e
r23049:c4a8e11a3d1e
r23049:c4a8e11a3d1e
r23049:c4a8e11a3d1e
r23049:c4a8e11a3d1e
r23049:c4a8e11a3d1e
r23049:c4a8e11a3d1e
r23049:c4a8e11a3d1e
r23049:c4a8e11a3d1e
r23049:c4a8e11a3d1e
r23049:c4a8e11a3d1e
r23049:c4a8e11a3d1e
r23049:c4a8e11a3d1e
r23100:59851785a26a
r23049:c4a8e11a3d1e
r23049:c4a8e11a3d1e
r23049:c4a8e11a3d1e
r23049:c4a8e11a3d1e
r23049:c4a8e11a3d1e
r23049:c4a8e11a3d1e
r10696:8dfe83e30d01
r23049:c4a8e11a3d1e
r23049:c4a8e11a3d1e
r23049:c4a8e11a3d1e
r23049:c4a8e11a3d1e
r23049:c4a8e11a3d1e
r23049:c4a8e11a3d1e
r23049:c4a8e11a3d1e
r23049:c4a8e11a3d1e
r23049:c4a8e11a3d1e
r23049:c4a8e11a3d1e
r23049:c4a8e11a3d1e
r27353:e630ed301eee
r10696:8dfe83e30d01
r23049:c4a8e11a3d1e
r10696:8dfe83e30d01
r23049:c4a8e11a3d1e
r23049:c4a8e11a3d1e
r10696:8dfe83e30d01
r10696:8dfe83e30d01
r27353:e630ed301eee
r10696:8dfe83e30d01
r23730:3b11f535de42
r23730:3b11f535de42
r10696:8dfe83e30d01
r10696:8dfe83e30d01
r10696:8dfe83e30d01
r18271:48f58f5efce8
r10696:8dfe83e30d01
r10696:8dfe83e30d01
r10696:8dfe83e30d01
r13037:1ef8d3b30a4f
r10696:8dfe83e30d01
r18271:48f58f5efce8
r18271:48f58f5efce8
r10696:8dfe83e30d01
r10696:8dfe83e30d01
r10696:8dfe83e30d01
r10696:8dfe83e30d01
r18271:48f58f5efce8
r25655:1030dcb7eb52
r10696:8dfe83e30d01
r10696:8dfe83e30d01
r10696:8dfe83e30d01
r27353:e630ed301eee
r10696:8dfe83e30d01
r10696:8dfe83e30d01
r10696:8dfe83e30d01
r10696:8dfe83e30d01
r10696:8dfe83e30d01
r10696:8dfe83e30d01
r21503:8c1c128b45b6
r21503:8c1c128b45b6
r21503:8c1c128b45b6
r21503:8c1c128b45b6
r21503:8c1c128b45b6
r23730:3b11f535de42
r23730:3b11f535de42
r27028:e2b9d0aa6a14
r27028:e2b9d0aa6a14
r27028:e2b9d0aa6a14
r27028:e2b9d0aa6a14
r27028:e2b9d0aa6a14
r27028:e2b9d0aa6a14
r10696:8dfe83e30d01
r10696:8dfe83e30d01
r10696:8dfe83e30d01
r26000:d1a4948d1237
r26000:d1a4948d1237
r26000:d1a4948d1237
r26000:d1a4948d1237
r26000:d1a4948d1237
r10696:8dfe83e30d01
r10696:8dfe83e30d01
r21503:8c1c128b45b6
r21503:8c1c128b45b6
r21503:8c1c128b45b6
r21503:8c1c128b45b6
r21503:8c1c128b45b6
r21503:8c1c128b45b6
r10696:8dfe83e30d01
r10696:8dfe83e30d01
r23730:3b11f535de42
r23730:3b11f535de42
r10696:8dfe83e30d01
r20298:d2c494dd3733
r20298:d2c494dd3733
r20298:d2c494dd3733
r20298:d2c494dd3733
r10696:8dfe83e30d01
r10696:8dfe83e30d01
r10696:8dfe83e30d01
r10696:8dfe83e30d01
r23730:3b11f535de42
r23730:3b11f535de42
r10696:8dfe83e30d01
r20298:d2c494dd3733
r20298:d2c494dd3733
r20298:d2c494dd3733
r20298:d2c494dd3733
r10696:8dfe83e30d01
r11065:0af2fa697c41
r11065:0af2fa697c41
r11065:0af2fa697c41
r11065:0af2fa697c41
r11065:0af2fa697c41
r11121:b7c57fb5f2a7
r11121:b7c57fb5f2a7
r11121:b7c57fb5f2a7
r11121:b7c57fb5f2a7
r11121:b7c57fb5f2a7
r11121:b7c57fb5f2a7
r11121:b7c57fb5f2a7
r11121:b7c57fb5f2a7
r11121:b7c57fb5f2a7
r11121:b7c57fb5f2a7
r11121:b7c57fb5f2a7
r12392:a1db9214fc64
r12392:a1db9214fc64
r12392:a1db9214fc64
r12392:a1db9214fc64
r12392:a1db9214fc64
r12087:0095f1069b29
r12087:0095f1069b29
r23730:3b11f535de42
r12087:0095f1069b29
r12087:0095f1069b29
r18272:acd8b4f10c7a
r18272:acd8b4f10c7a
r18272:acd8b4f10c7a
r18272:acd8b4f10c7a
r18272:acd8b4f10c7a
/*
 * This file is part of OpenTTD.
 * OpenTTD is free software; you can redistribute it and/or modify it under the terms of the GNU General Public License as published by the Free Software Foundation, version 2.
 * OpenTTD is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
 * See the GNU General Public License for more details. You should have received a copy of the GNU General Public License along with OpenTTD. If not, see <http://www.gnu.org/licenses/>.
 */

/** @file squirrel.cpp the implementation of the Squirrel class. It handles all Squirrel-stuff and gives a nice API back to work with. */

#include "../stdafx.h"
#include "../debug.h"
#include "squirrel_std.hpp"
#include "../fileio_func.h"
#include "../string_func.h"
#include "script_fatalerror.hpp"
#include "../settings_type.h"
#include <sqstdaux.h>
#include <../squirrel/sqpcheader.h>
#include <../squirrel/sqvm.h>
#include "../core/alloc_func.hpp"

/**
 * In the memory allocator for Squirrel we want to directly use malloc/realloc, so when the OS
 * does not have enough memory the game does not go into unrecoverable error mode and kill the
 * whole game, but rather let the AI die though then we need to circumvent MallocT/ReallocT.
 *
 * So no #include "../safeguards.h" here as is required, but after the allocator's implementation.
 */

/*
 * If changing the call paths into the scripting engine, define this symbol to enable full debugging of allocations.
 * This lets you track whether the allocator context is being switched correctly in all call paths.
#define SCRIPT_DEBUG_ALLOCATIONS
 */

struct ScriptAllocator {
	size_t allocated_size;   ///< Sum of allocated data size
	size_t allocation_limit; ///< Maximum this allocator may use before allocations fail
	/**
	 * Whether the error has already been thrown, so to not throw secondary errors in
	 * the handling of the allocation error. This as the handling of the error will
	 * throw a Squirrel error so the Squirrel stack can be dumped, however that gets
	 * allocated by this allocator and then you might end up in an infinite loop.
	 */
	bool error_thrown;

	static const size_t SAFE_LIMIT = 0x8000000; ///< 128 MiB, a safe choice for almost any situation

#ifdef SCRIPT_DEBUG_ALLOCATIONS
	std::map<void *, size_t> allocations;
#endif

	void CheckLimit() const
	{
		if (this->allocated_size > this->allocation_limit) throw Script_FatalError("Maximum memory allocation exceeded");
	}

	/**
	 * Catch all validation for the allocation; did it allocate too much memory according
	 * to the allocation limit or did the allocation at the OS level maybe fail? In those
	 * error situations a Script_FatalError is thrown, but once that has been done further
	 * allocations are allowed to make it possible for Squirrel to throw the error and
	 * clean everything up.
	 * @param requested_size The requested size that was requested to be allocated.
	 * @param p              The pointer to the allocated object, or null if allocation failed.
	 */
	void CheckAllocation(size_t requested_size, void *p)
	{
		if (this->allocated_size + requested_size > this->allocation_limit && !this->error_thrown) {
			/* Do not allow allocating more than the allocation limit, except when an error is
			 * already as then the allocation is for throwing that error in Squirrel, the
			 * associated stack trace information and while cleaning up the AI. */
			this->error_thrown = true;
			std::string msg = fmt::format("Maximum memory allocation exceeded by {} bytes when allocating {} bytes",
				this->allocated_size + requested_size - this->allocation_limit, requested_size);
			/* Don't leak the rejected allocation. */
			free(p);
			throw Script_FatalError(msg);
		}

		if (p == nullptr) {
			/* The OS did not have enough memory to allocate the object, regardless of the
			 * limit imposed by OpenTTD on the amount of memory that may be allocated. */
			if (this->error_thrown) {
				/* The allocation is called in the error handling of a memory allocation
				 * failure, then not being able to allocate that small amount of memory
				 * means there is no other choice than to bug out completely. */
				MallocError(requested_size);
			}

			this->error_thrown = true;
			std::string msg = fmt::format("Out of memory. Cannot allocate {} bytes", requested_size);
			throw Script_FatalError(msg);
		}
	}

	void *Malloc(SQUnsignedInteger size)
	{
		void *p = malloc(size);

		this->CheckAllocation(size, p);

		this->allocated_size += size;

#ifdef SCRIPT_DEBUG_ALLOCATIONS
		assert(p != nullptr);
		assert(this->allocations.find(p) == this->allocations.end());
		this->allocations[p] = size;
#endif

		return p;
	}

	void *Realloc(void *p, SQUnsignedInteger oldsize, SQUnsignedInteger size)
	{
		if (p == nullptr) {
			return this->Malloc(size);
		}
		if (size == 0) {
			this->Free(p, oldsize);
			return nullptr;
		}

#ifdef SCRIPT_DEBUG_ALLOCATIONS
		assert(this->allocations[p] == oldsize);
		this->allocations.erase(p);
#endif
		/* Can't use realloc directly because memory limit check.
		 * If memory exception is thrown, the old pointer is expected
		 * to be valid for engine cleanup.
		 */
		void *new_p = malloc(size);

		this->CheckAllocation(size - oldsize, new_p);

		/* Memory limit test passed, we can copy data and free old pointer. */
		memcpy(new_p, p, std::min(oldsize, size));
		free(p);

		this->allocated_size -= oldsize;
		this->allocated_size += size;

#ifdef SCRIPT_DEBUG_ALLOCATIONS
		assert(new_p != nullptr);
		assert(this->allocations.find(p) == this->allocations.end());
		this->allocations[new_p] = size;
#endif

		return new_p;
	}

	void Free(void *p, SQUnsignedInteger size)
	{
		if (p == nullptr) return;
		free(p);
		this->allocated_size -= size;

#ifdef SCRIPT_DEBUG_ALLOCATIONS
		assert(this->allocations.at(p) == size);
		this->allocations.erase(p);
#endif
	}

	ScriptAllocator()
	{
		this->allocated_size = 0;
		this->allocation_limit = static_cast<size_t>(_settings_game.script.script_max_memory_megabytes) << 20;
		if (this->allocation_limit == 0) this->allocation_limit = SAFE_LIMIT; // in case the setting is somehow zero
		this->error_thrown = false;
	}

	~ScriptAllocator()
	{
#ifdef SCRIPT_DEBUG_ALLOCATIONS
		assert(this->allocations.empty());
#endif
	}
};

/**
 * In the memory allocator for Squirrel we want to directly use malloc/realloc, so when the OS
 * does not have enough memory the game does not go into unrecoverable error mode and kill the
 * whole game, but rather let the AI die though then we need to circumvent MallocT/ReallocT.
 * For the rest of this code, the safeguards should be in place though!
 */
#include "../safeguards.h"

ScriptAllocator *_squirrel_allocator = nullptr;

/* See 3rdparty/squirrel/squirrel/sqmem.cpp for the default allocator implementation, which this overrides */
#ifndef SQUIRREL_DEFAULT_ALLOCATOR
void *sq_vm_malloc(SQUnsignedInteger size) { return _squirrel_allocator->Malloc(size); }
void *sq_vm_realloc(void *p, SQUnsignedInteger oldsize, SQUnsignedInteger size) { return _squirrel_allocator->Realloc(p, oldsize, size); }
void sq_vm_free(void *p, SQUnsignedInteger size) { _squirrel_allocator->Free(p, size); }
#endif

size_t Squirrel::GetAllocatedMemory() const noexcept
{
	assert(this->allocator != nullptr);
	return this->allocator->allocated_size;
}


void Squirrel::CompileError(HSQUIRRELVM vm, const SQChar *desc, const SQChar *source, SQInteger line, SQInteger column)
{
	std::string msg = fmt::format("Error {}:{}/{}: {}", source, line, column, desc);

	/* Check if we have a custom print function */
	Squirrel *engine = (Squirrel *)sq_getforeignptr(vm);
	engine->crashed = true;
	SQPrintFunc *func = engine->print_func;
	if (func == nullptr) {
		Debug(misc, 0, "[Squirrel] Compile error: {}", msg);
	} else {
		(*func)(true, msg);
	}
}

void Squirrel::ErrorPrintFunc(HSQUIRRELVM vm, const std::string &s)
{
	/* Check if we have a custom print function */
	SQPrintFunc *func = ((Squirrel *)sq_getforeignptr(vm))->print_func;
	if (func == nullptr) {
		fmt::print(stderr, "{}", s);
	} else {
		(*func)(true, s);
	}
}

void Squirrel::RunError(HSQUIRRELVM vm, const SQChar *error)
{
	/* Set the print function to something that prints to stderr */
	SQPRINTFUNCTION pf = sq_getprintfunc(vm);
	sq_setprintfunc(vm, &Squirrel::ErrorPrintFunc);

	/* Check if we have a custom print function */
	std::string msg = fmt::format("Your script made an error: {}\n", error);
	Squirrel *engine = (Squirrel *)sq_getforeignptr(vm);
	SQPrintFunc *func = engine->print_func;
	if (func == nullptr) {
		fmt::print(stderr, "{}", msg);
	} else {
		(*func)(true, msg);
	}

	/* Print below the error the stack, so the users knows what is happening */
	sqstd_printcallstack(vm);
	/* Reset the old print function */
	sq_setprintfunc(vm, pf);
}

SQInteger Squirrel::_RunError(HSQUIRRELVM vm)
{
	const SQChar *sErr = nullptr;

	if (sq_gettop(vm) >= 1) {
		if (SQ_SUCCEEDED(sq_getstring(vm, -1, &sErr))) {
			Squirrel::RunError(vm, sErr);
			return 0;
		}
	}

	Squirrel::RunError(vm, "unknown error");
	return 0;
}

void Squirrel::PrintFunc(HSQUIRRELVM vm, const std::string &s)
{
	/* Check if we have a custom print function */
	SQPrintFunc *func = ((Squirrel *)sq_getforeignptr(vm))->print_func;
	if (func == nullptr) {
		fmt::print("{}", s);
	} else {
		(*func)(false, s);
	}
}

void Squirrel::AddMethod(const char *method_name, SQFUNCTION proc, uint nparam, const char *params, void *userdata, int size)
{
	ScriptAllocatorScope alloc_scope(this);

	sq_pushstring(this->vm, method_name, -1);

	if (size != 0) {
		void *ptr = sq_newuserdata(vm, size);
		memcpy(ptr, userdata, size);
	}

	sq_newclosure(this->vm, proc, size != 0 ? 1 : 0);
	if (nparam != 0) sq_setparamscheck(this->vm, nparam, params);
	sq_setnativeclosurename(this->vm, -1, method_name);
	sq_newslot(this->vm, -3, SQFalse);
}

void Squirrel::AddConst(const char *var_name, int value)
{
	ScriptAllocatorScope alloc_scope(this);

	sq_pushstring(this->vm, var_name, -1);
	sq_pushinteger(this->vm, value);
	sq_newslot(this->vm, -3, SQTrue);
}

void Squirrel::AddConst(const char *var_name, bool value)
{
	ScriptAllocatorScope alloc_scope(this);

	sq_pushstring(this->vm, var_name, -1);
	sq_pushbool(this->vm, value);
	sq_newslot(this->vm, -3, SQTrue);
}

void Squirrel::AddClassBegin(const char *class_name)
{
	ScriptAllocatorScope alloc_scope(this);

	sq_pushroottable(this->vm);
	sq_pushstring(this->vm, class_name, -1);
	sq_newclass(this->vm, SQFalse);
}

void Squirrel::AddClassBegin(const char *class_name, const char *parent_class)
{
	ScriptAllocatorScope alloc_scope(this);

	sq_pushroottable(this->vm);
	sq_pushstring(this->vm, class_name, -1);
	sq_pushstring(this->vm, parent_class, -1);
	if (SQ_FAILED(sq_get(this->vm, -3))) {
		Debug(misc, 0, "[squirrel] Failed to initialize class '{}' based on parent class '{}'", class_name, parent_class);
		Debug(misc, 0, "[squirrel] Make sure that '{}' exists before trying to define '{}'", parent_class, class_name);
		return;
	}
	sq_newclass(this->vm, SQTrue);
}

void Squirrel::AddClassEnd()
{
	ScriptAllocatorScope alloc_scope(this);

	sq_newslot(vm, -3, SQFalse);
	sq_pop(vm, 1);
}

bool Squirrel::MethodExists(HSQOBJECT instance, const char *method_name)
{
	assert(!this->crashed);
	ScriptAllocatorScope alloc_scope(this);

	int top = sq_gettop(this->vm);
	/* Go to the instance-root */
	sq_pushobject(this->vm, instance);
	/* Find the function-name inside the script */
	sq_pushstring(this->vm, method_name, -1);
	if (SQ_FAILED(sq_get(this->vm, -2))) {
		sq_settop(this->vm, top);
		return false;
	}
	sq_settop(this->vm, top);
	return true;
}

bool Squirrel::Resume(int suspend)
{
	assert(!this->crashed);
	ScriptAllocatorScope alloc_scope(this);

	/* Did we use more operations than we should have in the
	 * previous tick? If so, subtract that from the current run. */
	if (this->overdrawn_ops > 0 && suspend > 0) {
		this->overdrawn_ops -= suspend;
		/* Do we need to wait even more? */
		if (this->overdrawn_ops >= 0) return true;

		/* We can now only run whatever is "left". */
		suspend = -this->overdrawn_ops;
	}

	this->crashed = !sq_resumecatch(this->vm, suspend);
	this->overdrawn_ops = -this->vm->_ops_till_suspend;
	this->allocator->CheckLimit();
	return this->vm->_suspended != 0;
}

void Squirrel::ResumeError()
{
	assert(!this->crashed);
	ScriptAllocatorScope alloc_scope(this);
	sq_resumeerror(this->vm);
}

void Squirrel::CollectGarbage()
{
	ScriptAllocatorScope alloc_scope(this);
	sq_collectgarbage(this->vm);
}

bool Squirrel::CallMethod(HSQOBJECT instance, const char *method_name, HSQOBJECT *ret, int suspend)
{
	assert(!this->crashed);
	ScriptAllocatorScope alloc_scope(this);
	this->allocator->CheckLimit();

	/* Store the stack-location for the return value. We need to
	 * restore this after saving or the stack will be corrupted
	 * if we're in the middle of a DoCommand. */
	SQInteger last_target = this->vm->_suspended_target;
	/* Store the current top */
	int top = sq_gettop(this->vm);
	/* Go to the instance-root */
	sq_pushobject(this->vm, instance);
	/* Find the function-name inside the script */
	sq_pushstring(this->vm, method_name, -1);
	if (SQ_FAILED(sq_get(this->vm, -2))) {
		Debug(misc, 0, "[squirrel] Could not find '{}' in the class", method_name);
		sq_settop(this->vm, top);
		return false;
	}
	/* Call the method */
	sq_pushobject(this->vm, instance);
	if (SQ_FAILED(sq_call(this->vm, 1, ret == nullptr ? SQFalse : SQTrue, SQTrue, suspend))) return false;
	if (ret != nullptr) sq_getstackobj(vm, -1, ret);
	/* Reset the top, but don't do so for the script main function, as we need
	 *  a correct stack when resuming. */
	if (suspend == -1 || !this->IsSuspended()) sq_settop(this->vm, top);
	/* Restore the return-value location. */
	this->vm->_suspended_target = last_target;

	return true;
}

bool Squirrel::CallStringMethod(HSQOBJECT instance, const char *method_name, std::string *res, int suspend)
{
	HSQOBJECT ret;
	if (!this->CallMethod(instance, method_name, &ret, suspend)) return false;
	if (ret._type != OT_STRING) return false;
	*res = StrMakeValid(ObjectToString(&ret));
	return true;
}

bool Squirrel::CallIntegerMethod(HSQOBJECT instance, const char *method_name, int *res, int suspend)
{
	HSQOBJECT ret;
	if (!this->CallMethod(instance, method_name, &ret, suspend)) return false;
	if (ret._type != OT_INTEGER) return false;
	*res = ObjectToInteger(&ret);
	return true;
}

bool Squirrel::CallBoolMethod(HSQOBJECT instance, const char *method_name, bool *res, int suspend)
{
	HSQOBJECT ret;
	if (!this->CallMethod(instance, method_name, &ret, suspend)) return false;
	if (ret._type != OT_BOOL) return false;
	*res = ObjectToBool(&ret);
	return true;
}

/* static */ bool Squirrel::CreateClassInstanceVM(HSQUIRRELVM vm, const std::string &class_name, void *real_instance, HSQOBJECT *instance, SQRELEASEHOOK release_hook, bool prepend_API_name)
{
	Squirrel *engine = (Squirrel *)sq_getforeignptr(vm);

	int oldtop = sq_gettop(vm);

	/* First, find the class */
	sq_pushroottable(vm);

	if (prepend_API_name) {
		std::string prepended_class_name = engine->GetAPIName();
		prepended_class_name += class_name;
		sq_pushstring(vm, prepended_class_name, -1);
	} else {
		sq_pushstring(vm, class_name, -1);
	}

	if (SQ_FAILED(sq_get(vm, -2))) {
		Debug(misc, 0, "[squirrel] Failed to find class by the name '{}{}'", prepend_API_name ? engine->GetAPIName() : "", class_name);
		sq_settop(vm, oldtop);
		return false;
	}

	/* Create the instance */
	if (SQ_FAILED(sq_createinstance(vm, -1))) {
		Debug(misc, 0, "[squirrel] Failed to create instance for class '{}{}'", prepend_API_name ? engine->GetAPIName() : "", class_name);
		sq_settop(vm, oldtop);
		return false;
	}

	if (instance != nullptr) {
		/* Find our instance */
		sq_getstackobj(vm, -1, instance);
		/* Add a reference to it, so it survives for ever */
		sq_addref(vm, instance);
	}
	sq_remove(vm, -2); // Class-name
	sq_remove(vm, -2); // Root-table

	/* Store it in the class */
	sq_setinstanceup(vm, -1, real_instance);
	if (release_hook != nullptr) sq_setreleasehook(vm, -1, release_hook);

	if (instance != nullptr) sq_settop(vm, oldtop);

	return true;
}

bool Squirrel::CreateClassInstance(const std::string &class_name, void *real_instance, HSQOBJECT *instance)
{
	ScriptAllocatorScope alloc_scope(this);
	return Squirrel::CreateClassInstanceVM(this->vm, class_name, real_instance, instance, nullptr);
}

Squirrel::Squirrel(const char *APIName) :
	APIName(APIName), allocator(new ScriptAllocator())
{
	this->Initialize();
}

void Squirrel::Initialize()
{
	ScriptAllocatorScope alloc_scope(this);

	this->global_pointer = nullptr;
	this->print_func = nullptr;
	this->crashed = false;
	this->overdrawn_ops = 0;
	this->vm = sq_open(1024);

	/* Handle compile-errors ourself, so we can display it nicely */
	sq_setcompilererrorhandler(this->vm, &Squirrel::CompileError);
	sq_notifyallexceptions(this->vm, _debug_script_level > 5);
	/* Set a good print-function */
	sq_setprintfunc(this->vm, &Squirrel::PrintFunc);
	/* Handle runtime-errors ourself, so we can display it nicely */
	sq_newclosure(this->vm, &Squirrel::_RunError, 0);
	sq_seterrorhandler(this->vm);

	/* Set the foreign pointer, so we can always find this instance from within the VM */
	sq_setforeignptr(this->vm, this);

	sq_pushroottable(this->vm);
	squirrel_register_global_std(this);

	/* Set consts table as delegate of root table, so consts/enums defined via require() are accessible */
	sq_pushconsttable(this->vm);
	sq_setdelegate(this->vm, -2);
}

class SQFile {
private:
	FILE *file;
	size_t size;
	size_t pos;

public:
	SQFile(FILE *file, size_t size) : file(file), size(size), pos(0) {}

	size_t Read(void *buf, size_t elemsize, size_t count)
	{
		assert(elemsize != 0);
		if (this->pos + (elemsize * count) > this->size) {
			count = (this->size - this->pos) / elemsize;
		}
		if (count == 0) return 0;
		size_t ret = fread(buf, elemsize, count, this->file);
		this->pos += ret * elemsize;
		return ret;
	}
};

static char32_t _io_file_lexfeed_ASCII(SQUserPointer file)
{
	unsigned char c;
	if (((SQFile *)file)->Read(&c, sizeof(c), 1) > 0) return c;
	return 0;
}

static char32_t _io_file_lexfeed_UTF8(SQUserPointer file)
{
	char buffer[5];

	/* Read the first character, and get the length based on UTF-8 specs. If invalid, bail out. */
	if (((SQFile *)file)->Read(buffer, sizeof(buffer[0]), 1) != 1) return 0;
	uint len = Utf8EncodedCharLen(buffer[0]);
	if (len == 0) return -1;

	/* Read the remaining bits. */
	if (len > 1 && ((SQFile *)file)->Read(buffer + 1, sizeof(buffer[0]), len - 1) != len - 1) return 0;

	/* Convert the character, and when definitely invalid, bail out as well. */
	char32_t c;
	if (Utf8Decode(&c, buffer) != len) return -1;

	return c;
}

static char32_t _io_file_lexfeed_UCS2_no_swap(SQUserPointer file)
{
	unsigned short c;
	if (((SQFile *)file)->Read(&c, sizeof(c), 1) > 0) return (char32_t)c;
	return 0;
}

static char32_t _io_file_lexfeed_UCS2_swap(SQUserPointer file)
{
	unsigned short c;
	if (((SQFile *)file)->Read(&c, sizeof(c), 1) > 0) {
		c = ((c >> 8) & 0x00FF)| ((c << 8) & 0xFF00);
		return (char32_t)c;
	}
	return 0;
}

static SQInteger _io_file_read(SQUserPointer file, SQUserPointer buf, SQInteger size)
{
	SQInteger ret = ((SQFile *)file)->Read(buf, 1, size);
	if (ret == 0) return -1;
	return ret;
}

SQRESULT Squirrel::LoadFile(HSQUIRRELVM vm, const std::string &filename, SQBool printerror)
{
	ScriptAllocatorScope alloc_scope(this);

	FILE *file;
	size_t size;
	if (strncmp(this->GetAPIName(), "AI", 2) == 0) {
		file = FioFOpenFile(filename, "rb", AI_DIR, &size);
		if (file == nullptr) file = FioFOpenFile(filename, "rb", AI_LIBRARY_DIR, &size);
	} else if (strncmp(this->GetAPIName(), "GS", 2) == 0) {
		file = FioFOpenFile(filename, "rb", GAME_DIR, &size);
		if (file == nullptr) file = FioFOpenFile(filename, "rb", GAME_LIBRARY_DIR, &size);
	} else {
		NOT_REACHED();
	}

	if (file == nullptr) {
		return sq_throwerror(vm, "cannot open the file");
	}
	unsigned short bom = 0;
	if (size >= 2) {
		[[maybe_unused]] size_t sr = fread(&bom, 1, sizeof(bom), file);
	}

	SQLEXREADFUNC func;
	switch (bom) {
		case SQ_BYTECODE_STREAM_TAG: { // BYTECODE
			if (fseek(file, -2, SEEK_CUR) < 0) {
				FioFCloseFile(file);
				return sq_throwerror(vm, "cannot seek the file");
			}

			SQFile f(file, size);
			if (SQ_SUCCEEDED(sq_readclosure(vm, _io_file_read, &f))) {
				FioFCloseFile(file);
				return SQ_OK;
			}
			FioFCloseFile(file);
			return sq_throwerror(vm, "Couldn't read bytecode");
		}
		case 0xFFFE:
			/* Either this file is encoded as big-endian and we're on a little-endian
			 * machine, or this file is encoded as little-endian and we're on a big-endian
			 * machine. Either way, swap the bytes of every word we read. */
			func = _io_file_lexfeed_UCS2_swap;
			size -= 2; // Skip BOM
			break;
		case 0xFEFF:
			func = _io_file_lexfeed_UCS2_no_swap;
			size -= 2; // Skip BOM
			break;
		case 0xBBEF:   // UTF-8
		case 0xEFBB: { // UTF-8 on big-endian machine
			/* Similarly, check the file is actually big enough to finish checking BOM */
			if (size < 3) {
				FioFCloseFile(file);
				return sq_throwerror(vm, "I/O error");
			}
			unsigned char uc;
			if (fread(&uc, 1, sizeof(uc), file) != sizeof(uc) || uc != 0xBF) {
				FioFCloseFile(file);
				return sq_throwerror(vm, "Unrecognized encoding");
			}
			func = _io_file_lexfeed_UTF8;
			size -= 3; // Skip BOM
			break;
		}
		default: // ASCII
			func = _io_file_lexfeed_ASCII;
			/* Account for when we might not have fread'd earlier */
			if (size >= 2 && fseek(file, -2, SEEK_CUR) < 0) {
				FioFCloseFile(file);
				return sq_throwerror(vm, "cannot seek the file");
			}
			break;
	}

	SQFile f(file, size);
	if (SQ_SUCCEEDED(sq_compile(vm, func, &f, filename.c_str(), printerror))) {
		FioFCloseFile(file);
		return SQ_OK;
	}
	FioFCloseFile(file);
	return SQ_ERROR;
}

bool Squirrel::LoadScript(HSQUIRRELVM vm, const std::string &script, bool in_root)
{
	ScriptAllocatorScope alloc_scope(this);

	/* Make sure we are always in the root-table */
	if (in_root) sq_pushroottable(vm);

	SQInteger ops_left = vm->_ops_till_suspend;
	/* Load and run the script */
	if (SQ_SUCCEEDED(LoadFile(vm, script, SQTrue))) {
		sq_push(vm, -2);
		if (SQ_SUCCEEDED(sq_call(vm, 1, SQFalse, SQTrue, 100000))) {
			sq_pop(vm, 1);
			/* After compiling the file we want to reset the amount of opcodes. */
			vm->_ops_till_suspend = ops_left;
			return true;
		}
	}

	vm->_ops_till_suspend = ops_left;
	Debug(misc, 0, "[squirrel] Failed to compile '{}'", script);
	return false;
}

bool Squirrel::LoadScript(const std::string &script)
{
	return LoadScript(this->vm, script);
}

Squirrel::~Squirrel()
{
	this->Uninitialize();
}

void Squirrel::Uninitialize()
{
	ScriptAllocatorScope alloc_scope(this);

	/* Remove the delegation */
	sq_pushroottable(this->vm);
	sq_pushnull(this->vm);
	sq_setdelegate(this->vm, -2);
	sq_pop(this->vm, 1);

	/* Clean up the stuff */
	sq_pop(this->vm, 1);
	sq_close(this->vm);

	assert(this->allocator->allocated_size == 0);

	/* Reset memory allocation errors. */
	this->allocator->error_thrown = false;
}

void Squirrel::Reset()
{
	this->Uninitialize();
	this->Initialize();
}

void Squirrel::InsertResult(bool result)
{
	ScriptAllocatorScope alloc_scope(this);

	sq_pushbool(this->vm, result);
	if (this->IsSuspended()) { // Called before resuming a suspended script?
		vm->GetAt(vm->_stackbase + vm->_suspended_target) = vm->GetUp(-1);
		vm->Pop();
	}
}

void Squirrel::InsertResult(int result)
{
	ScriptAllocatorScope alloc_scope(this);

	sq_pushinteger(this->vm, result);
	if (this->IsSuspended()) { // Called before resuming a suspended script?
		vm->GetAt(vm->_stackbase + vm->_suspended_target) = vm->GetUp(-1);
		vm->Pop();
	}
}

/* static */ void Squirrel::DecreaseOps(HSQUIRRELVM vm, int ops)
{
	vm->DecreaseOps(ops);
}

bool Squirrel::IsSuspended()
{
	return this->vm->_suspended != 0;
}

bool Squirrel::HasScriptCrashed()
{
	return this->crashed;
}

void Squirrel::CrashOccurred()
{
	this->crashed = true;
}

bool Squirrel::CanSuspend()
{
	ScriptAllocatorScope alloc_scope(this);
	return sq_can_suspend(this->vm);
}

SQInteger Squirrel::GetOpsTillSuspend()
{
	return this->vm->_ops_till_suspend;
}